#!/usr/bin python3
# -*- coding: utf-8 -*-

x = int(input())
print(10-x//200) x = int(input()) x int(input()) int input() input print(10-x//200) print 10-x//200 10 x//200 x 200 x = int(input()) int(input()) x
#!/usr/bin python3
# -*- coding: utf-8 -*-

x = int(input())
print(10-x//200)
